Two charges (+2.00μC) and (+2.00μC) are placed symmetrically along the x-axis at x=±3.00cm. Consider a charge of charge +4.00μC and mass 10.0 mg moving along the y-axis.

If Q3 starts from rest at y=2.00cm, what is its speed when it reaches y=4.00cm?

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explanation:

b.

explanation:

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